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A consumer suspects that the machine is not filing the jars

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Reference no: EM13578378

A machine is designed to fill jars with 16 oz. of coffee. A consumer suspects that the machine is not filing the jars completely. A sample of 8 jars has a mean of 15.6 oz. and a standard deviation of 0.3. Is there enough evidence to support the consumer's conjecture at a ? = 0.05?

Reference no: EM13578378

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